Montreal, Quebec, May 22, 2007

CGI Group Inc. (TSX: GIB.A; NYSE: GIB), a leading provider of end-to-end
information technology (IT) and business processing services, today announced
the signing of a memorandum of understanding (MOU) for a ten year IT outsourcing
agreement valued at $200 million with CAE. The contract is subject to due
diligence and is expected to be signed in the coming months.

CGI will be
responsible for most information technology functions including systems
development and systems integration services, application support as well as IT
infrastructure. As part of this contract, CAE IT professionals located around
the world who are supporting corporate IT systems and applications will be
transferred to CGI. With over 1,600 engineers around the world, CAE will
continue to develop its own software for its modelling and simulation equipment.

“We are extremely pleased to partner with CAE,” said Michael E. Roach,
President and Chief Executive Officer, CGI. “The fact that a company with such
strong roots in technology feels that CGI is best equipped to handle its IT
needs illustrates our ability to bring the best solutions and technology to our
clients from anywhere in the world. We are pleased to welcome new members to our
team and we look forward to continuing to provide them with rewarding challenges
and further build on their successes. ”

“With CGI support of our IT
requirements, CAE can continue its focus on its core business,” said Robert E.
Brown, President and Chief Executive Officer of CAE. “We believe we will be well
served by CGI for our IT requirements across the globe.”

About
CAE

CAE is a world leader in providing simulation and modelling
technologies, and integrated training services to the civil aviation industry
and defence forces around the globe. We design, manufacture and supply
simulation equipment and offer training and services. This includes integrated
modelling, simulation and training solutions for commercial airlines, business
aircraft operators, aircraft manufacturers and military organizations and a
global network of training centres for pilots, and in some instances, cabin crew
and maintenance workers.

With annual revenues of over C$1 billion, CAE
operates in 19 countries around the world. CAE has sold nearly 700 simulators
and training devices to airlines, aircraft manufacturers, training centres and
defence forces for air and ground purposes in more than 40 countries. We have
over 110 full-flight simulators in more than 20 aviation training centres,
serving approximately 3,500 airlines, aircraft operators and manufacturers
around the globe. CAE licenses its simulation software to various market
segments and has a professional services division assisting customers with a
wide range of simulation-based needs.

About CGI
Founded in
1976, CGI Group Inc. is one of the largest independent information technology
and business process services firms in the world. CGI and its affiliated
companies employ approximately 25,000 professionals. CGI provides end-to-end IT
and business process services to clients worldwide from offices in Canada, the
United States, Europe, Asia Pacific as well as from centers of excellence in
North America, Europe and India. CGI's annual revenue run rate stands at $3.8
billion (US$3.3 billion) and at March 31st, 2007, CGI's order backlog was $12.3
billion (US$10.8 billion). CGI shares are listed on the TSX (GIB.A) and the NYSE
(GIB) and are included in the S&P/TSX Composite Index as well as the
S&P/TSX Capped Information Technology and MidCap Indices. Website: www.cgi.com.

CGI Forward-
Looking Statements

All statements in this press release that do not
directly and exclusively relate to historical facts constitute “forward-looking
statements” within the meaning of that term in Section 27A of the United States
Securities Act of 1933, as amended, and Section 21E of the United States
Securities Exchange Act of 1934, as amended, and are “forward-looking
information” within the meaning of sections 138.3 and following of the Ontario
Securities Act, as amended. These statements and this information represent CGI
Group Inc.’s (“CGI”) intentions, plans, expectations and beliefs, and are
subject to risks, uncertainties and other factors, of which many are beyond the
control of the Company. These factors could cause actual results to differ
materially from such forward-looking statements or forward-looking information.
These factors include and are not restricted to the timing and size of new
contracts, acquisitions and other corporate developments; the ability to attract
and retain qualified members; market competition in the rapidly-evolving
information technology industry; general economic and business conditions,
foreign exchange and other risks identified in the Management’s Discussion and
Analysis (“MD&A”) in CGI’s Annual Report or Form 40-F filed with the U.S.
Securities and Exchange Commission (filed on EDGAR at www.sec.gov), and in CGI’s
annual and quarterly MD&A and Annual Information Form filed with the
Canadian securities authorities (filed on SEDAR at www.sedar.com), as well as
assumptions regarding the foregoing. The words “believe,” “estimate,” “expect,”
“intend,” “anticipate,” “foresee,” “plan,” and similar expressions and
variations thereof, identify certain of such forward-looking statements or
forward-looking information, which speak only as of the date on which they are
made. In particular, statements relating to future performance are
forward-looking statements and forward-looking information. CGI disclaims any
intention or obligation to publicly update or revise any forward-looking
statements or forward-looking information, whether as a result of new
information, future events or otherwise. Readers are cautioned not to place
undue reliance on these forward-looking statements or on this forward-looking
information.

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For more
information:

CGI
Investors
Lorne
Gorber
Vice-President, Global Communications and
Investor Relations

lorne.gorber@cgi.com
514 841-3355

Media
Relations

Philippe Beauregard
Director, Corporate Communications
and
Public Affairs
philippe.beauregard@cgi.com
514
841-3218

CAE
Nathalie Bourque
Vice President, Global
Communications
nathalie.bourque@cae.com
514 734-5788